Baseball fans intuitively know which individual players are similar or different. For example, Rickey Henderson and Tim Raines are similar to each other, whereas both differ from Mike Schmidt. But which managers are similar, and which are unusual, in terms of the strategies they employ? Is Joe Torre more similar to Terry Francona or to Bobby Cox? Which managers use their bullpen in unorthodox ways? Which managers play "little ball" most often? We address questions such as these by exploring data on managerial decisions using multivariate analyses and high-dimensional visualization.

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